(19)

(11)

EP 3 692 519 A1

(12)

(43) Date of publication: 12.08.2020 Bulletin 2020/33 (21) Application number: 18864896.8 (22) Date of filing: 03.10.2018

(51) International Patent Classification (IPC):  G09G 3/34(2006.01) G02F 1/167(2019.01) G09G 3/20(2006.01) (86) International application number: PCT/US2018/054069 (87) International publication number: WO 2019/070787 (11.04.2019 Gazette 2019/15)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 04.10.2017 US 201715724718 (71) Applicant: E Ink California, LLC Fremont, CA 94538 (US)	(72) Inventors: LIN, Craig Fremont California 94538 (US) CHANG, Ming-Jen Fremont California 94538 (US) (74) Representative: Cole, David John  46 Kirkhill Gardens West Greenlees Estate Cambuslang Glasgow G72 8EZ Cambuslang Glasgow G72 8EZ (GB)